Seiko Cal. 3869 - 377

This Hand-Winding model from 1971 features a 43mm Gold-Plated case. Powered by the 3869 caliber with 19j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-51a31c298ac2]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1971

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