Seiko Cal. 6156 - 537

This Hand-Winding model from 1997 features a 45mm Stainless Steel case. With its 20mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-d2219aab2942]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1997

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