Seiko Cal. 3817 - 938

The 3817-938 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-315496e637da]

Also known as: Sea Horse, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1972

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