Seiko Cal. 3857 - 107

The Seiko 3857-107 represents an important milestone in Seiko's 1967 lineup. Powered by the 3857 caliber with 27j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-fc4e620aac4c]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1967

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