Seiko Cal. 3887 - 137

This Hand-Winding model from 1967 features a 40mm Two-Tone case. Powered by the 3887 caliber with 30j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-502a3c5ae25c]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1967

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