Seiko Cal. 6231 - 713

Seiko 6231-713

The Seiko 6231-713 represents an important milestone in Seiko's 1979 lineup. Powered by the 6231 caliber with 26j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-2aa7e3465e56]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Burgundy
Jewels
26j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1979

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