Seiko Cal. 6397 - 639

This Hand-Winding model from 1968 features a 34mm Gold-Plated case. Powered by the 6397 caliber with 22j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-0f881779a1cc]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1968

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