Seiko Cal. 6651 - 988

This Spring Drive model from 1992 features a 37mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-30ccdaaaaea9]

Also known as: Helmet, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1992

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