Seiko Cal. 6331 - 126

This Automatic model from 1978 features a 35mm Two-Tone case. Powered by the 6331 caliber with 27j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-635703f832a1]

Also known as: Sumo, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1978

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