Seiko Cal. 6317 - 523

This Hand-Winding model from 1973 features a 45mm Hardlex-Coated Steel case. Powered by the 6317 caliber with 26j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-958f5bd241a4]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1973

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