Seiko Cal. 5624 - 657

This Spring Drive model from 1984 features a 38mm Stainless Steel case. It features a Navy dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-b2c6773bf5b7]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1984

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