Seiko Cal. 6377 - 204

This Hand-Winding model from 1970 features a 43mm Titanium case. With its 18mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-2556adae2db5]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1970

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