Seiko Cal. 6377 - 475

This Hand-Winding model from 1969 features a 40mm Hardlex-Coated Steel case. Powered by the 6377 caliber with 34j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-f4c5ab91c430]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1969

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