Seiko Cal. 7156 - 639

This Spring Drive model from 1993 features a 43mm Stainless Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-e8b6952e86f8]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1993

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