Seiko Cal. 7156 - 203

This Hand-Winding model from 1985 features a 36mm Stainless Steel case. With its 21mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-25b0f14c1cf3]

Also known as: Monster, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1985

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