Seiko Cal. 3817 - 943

This Spring Drive model from 1970 features a 42mm Stainless Steel case. Powered by the 3817 caliber with 23j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-2927880785c0]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1970

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