Seiko Cal. 7156 - 159

The Seiko 7156-159 represents an important milestone in Seiko's 1997 lineup. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-90d0bef250c4]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1997

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