Seiko Cal. 4536 - 685

Seiko 4536-685

The 4536-685 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4536 caliber with 27j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-f43bc7f8da6b]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
14.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Champagne
Jewels
27j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1969

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