Seiko Cal. 3897 - 847

This Hand-Winding model from 1968 features a 44mm Stainless Steel case. Powered by the 3897 caliber with 30j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-d99ed33a3e8a]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1968

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