Seiko Cal. 6231 - 901

This Hand-Winding model from 1985 features a 45mm Gold-Plated case. Powered by the 6231 caliber with 25j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-af12fc2e97be]

Also known as: Tuna, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1985

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