Seiko Cal. 6391 - 461

This Hand-Winding model from 1973 features a 34mm Hardlex-Coated Steel case. Powered by the 6391 caliber with 31j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-b0dd91317eaa]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1973

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