Seiko Cal. 4436 - 885

The 4436-885 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4436 caliber with 17j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-6f98a355ae6c]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1981

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