Seiko Cal. 4536 - 100

The 4536-100 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4536 caliber with 21j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-1e1500873395]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1985

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