Seiko Cal. 6377 - 987

This Spring Drive model from 1979 features a 34mm Stainless Steel case. It features a Silver dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-b4931e167364]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1979

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