Seiko Cal. 7131 - 227

Seiko 7131-227

The 7131-227 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7131 caliber with 26j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-32bd2d17e1fe]

Also known as: Sportsmatic, Arnie

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
42mm
Case Thickness
12.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
190m
Dial Color
Cream
Jewels
26j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1965

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