Seiko Cal. 6371 - 112

This Hand-Winding model from 1965 features a 37mm PVD Black case. Powered by the 6371 caliber with 25j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-a50d6fa200b2]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1965

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