Seiko Cal. 3856 - 301

The Seiko 3856-301 represents an important milestone in Seiko's 1991 lineup. Powered by the 3856 caliber with 33j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-5cc3e0d71f3d]

Also known as: Bellmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1991

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