Seiko Cal. 6370 - 681

This Spring Drive model from 1997 features a 45mm Hardlex-Coated Steel case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-c37c7510ec10]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1997

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