Seiko Cal. 6390 - 895

This Hand-Winding model from 1974 features a 34mm Two-Tone case. Powered by the 6390 caliber with 34j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-b26f9a06f333]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1974

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