Seiko Cal. 0731 - 371

Seiko 0731-371

The 0731-371 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 0731 caliber with 33j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-8dc3a95088dd]

Also known as: Samurai, Emperor

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
43mm
Case Thickness
10.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Green
Jewels
33j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1965

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