Seiko Cal. 0731 - 676

Seiko 0731-676

The 0731-676 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0731 caliber with 20j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-c4ef36bca183]

Also known as: Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
38mm
Case Thickness
14.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
Burgundy
Jewels
20j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1965

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seikata-wm-c4ef36bca183