Seiko Cal. 3857 - 615

The Seiko 3857-615 represents an important milestone in Seiko's 1994 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-5b2f8f4ce012]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1994

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