Seiko Cal. 4436 - 885

Seiko 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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