Seiko Cal. 4436 - 851

This Spring Drive model from 1984 features a 44mm PVD Black case. Powered by the 4436 caliber with 33j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-896b2a80cc79]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1984

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