Seiko Cal. 6641 - 962

This Hand-Winding model from 1978 features a 37mm Two-Tone case. Powered by the 6641 caliber with 34j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-ddc4acb6c6c2]

Also known as: Rally, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1978

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