Seiko Cal. 3866 - 443

This Hand-Winding model from 1987 features a 40mm Hardlex-Coated Steel case. Powered by the 3866 caliber with 23j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-c229f9b351da]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1987

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