Seiko Cal. 4436 - 660

The 4436-660 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4436 caliber with 24j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-e7c7d68c67f3]

Also known as: Monster, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1979

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