Seiko Cal. 3876 - 642

This Spring Drive model from 1969 features a 39mm Gold-Plated case. Powered by the 3876 caliber with 33j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-c7087c0850bf]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1969

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