Seiko Cal. 3857 - 923

The Seiko 3857-923 represents an important milestone in Seiko's 1977 lineup. Powered by the 3857 caliber with 36j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-b22d128c3ade]

Also known as: Samurai

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

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