Seiko Cal. 4537 - 305

Seiko 4537-305

The Seiko 4537-305 represents an important milestone in Seiko's 1980 lineup. Powered by the 4537 caliber with 18j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-901d122029b0]

Also known as: Tuna, Rally

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
11.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Burgundy
Jewels
18j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1980

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seikata-wm-901d122029b0