Seiko Cal. 0731 - 940

Seiko 0731-940

The 0731-940 is a sought-after Kinetic piece from Seiko's golden era. With its 19mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-6a1230b68f5d]

Also known as: Bellmatic

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
15.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1986

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