Seiko Cal. 4436 - 813

Seiko 4436-813

The Seiko 4436-813 represents an important milestone in Seiko's 1966 lineup. Powered by the 4436 caliber with 36j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-f62814773074]

Also known as: Turtle, Helmet

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
37mm
Case Thickness
10.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Cream
Jewels
36j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1966

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seikata-wm-f62814773074