Seiko Cal. 3897 - 346

The Seiko 3897-346 represents an important milestone in Seiko's 1981 lineup. Powered by the 3897 caliber with 18j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-98895f64ab9a]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1981

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