Seiko Cal. 6377 - 866

This Quartz model from 1992 features a 36mm Hardlex-Coated Steel case. Powered by the 6377 caliber with 28j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-b1f394c9e7d3]

Also known as: Sumo, Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1992

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