Seiko Cal. 4537 - 559

Seiko 4537-559

The Seiko 4537-559 represents an important milestone in Seiko's 1983 lineup. Powered by the 4537 caliber with 20j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-b513b9a340ad]

Also known as: Golden Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
11.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Burgundy
Jewels
20j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1983

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