Seiko Cal. 4436 - 756

This Spring Drive model from 1977 features a 43mm PVD Black case. Powered by the 4436 caliber with 31j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-5b5a91038f8a]

Also known as: Pogue, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1977

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