T7 Models by Torgoen
The T7 models by Torgoen feature the most advanced mechanism manufactured by Ronda Switzerland with a second time zone displayed as a second watch with two normal hands. This second watch can be set to any time zone. The T7 models have a rotating slide rule that can be used as a flight computer (E6B) useful for flight planning or as a calculator for division and multiplication or conversions between units with linear relationships. T7 is water resistant up to 10 ATM (330 feet).

Features
High Grade Stainless Steel case
Solid Stainless Steel links (bracelet models)
High quality PU strap (plastic strap models)
Big Digits date display
Zulu Time or dual time zone
High Luminescence hands and indexes (up to 12 hours in the dark)
Quartz Ronda movement (operates with batteries)

Weight and Dimensions
Weight (strap model): 4.4 oz. (125 grams)
Weight (bracelet model) : 7.6 oz. (258 grams)
Case width: 43 mm
Crystal Diameter: 36 mm
Thickness: 13 mm