Seiko Cal. 3866 - 418

This Solar model from 1981 features a 38mm Stainless Steel case. Powered by the 3866 caliber with 26j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-60efd198a520]

Also known as: Monster, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1981

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