Seiko Cal. 3817 - 977

The 3817-977 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-0b3668cac6bc]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1965

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