Seiko Cal. 6331 - 457

Seiko 6331-457

This Kinetic model from 1976 features a 40mm Two-Tone case. Powered by the 6331 caliber with 34j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-d689a265d4f0]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
15.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Green
Jewels
34j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1976

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