Seiko Cal. 3857 - 204

This Automatic model from 1999 features a 37mm Gold-Plated case. Powered by the 3857 caliber with 18j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-b17283516962]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1999

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