Seiko Cal. 4536 - 597

Seiko 4536-597

The 4536-597 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4536 caliber with 21j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-e429a7eabe61]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
34mm
Case Thickness
12.1mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1991

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seikata-wm-e429a7eabe61