Seiko Cal. 6377 - 158

The 6377-158 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-114db226ad48]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1966

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