Seiko Cal. 4531 - 137

Seiko 4531-137

The 4531-137 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4531 caliber with 34j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-d9655b20cae9]

Also known as: Tuna, Arnie

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
9.7mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Cream
Jewels
34j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1967

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