Seiko Cal. 6337 - 888

This Hand-Winding model from 1981 features a 35mm Two-Tone case. Powered by the 6337 caliber with 35j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-815290dfcd71]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1981

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