Seiko Cal. 6377 - 401

The 6377-401 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-067469fe4f43]

Also known as: UFO, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1965

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