Seiko Cal. 6161 - 255

This Spring Drive model from 1990 features a 41mm Gold-Plated case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-9f28af1faf3b]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1990

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