Seiko Cal. 6377 - 392

Seiko 6377-392

This Spring Drive model from 1972 features a 42mm PVD Black case. Powered by the 6377 caliber with 24j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-7e664f510916]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Cream
Jewels
24j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1972

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seikata-wm-7e664f510916