Seiko Cal. 7091 - 737

The Seiko 7091-737 represents an important milestone in Seiko's 1993 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-43b9fe3a29d9]

Also known as: Helmet, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1993

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