Seiko Cal. 3856 - 637

This Hand-Winding model from 1984 features a 34mm Stainless Steel case. Powered by the 3856 caliber with 29j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-a51d8417a2c9]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1984

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