Seiko Cal. 6377 - 401

The Seiko 6377-401 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-9b85c078e094]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1974

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