Seiko Cal. 6383 - 640

This Hand-Winding model from 1976 features a 39mm Hardlex-Coated Steel case. Powered by the 6383 caliber with 24j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-8f14336e3474]

Also known as: Crown, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1976

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