Seiko Cal. 6166 - 261

This Hand-Winding model from 1987 features a 34mm Stainless Steel case. Powered by the 6166 caliber with 18j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-6e25d1eecee6]

Also known as: Sumo, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1987

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