Seiko Cal. 4596 - 636

This Spring Drive model from 1986 features a 35mm PVD Black case. Powered by the 4596 caliber with 30j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-ad1e2955b5dc]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1986

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