Seiko Cal. 5671 - 853

This Hand-Winding model from 1979 features a 38mm Two-Tone case. Powered by the 5671 caliber with 23j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-17cb05c855e3]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1979

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