Seiko Cal. 3857 - 155

The Seiko 3857-155 represents an important milestone in Seiko's 1967 lineup. Powered by the 3857 caliber with 31j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-8534d853da66]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1967

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