Seiko Cal. 0731 - 809

Seiko 0731-809

The 0731-809 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-c17cfd5bb7c0]

Also known as: Shogun, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
35mm
Case Thickness
13.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1969

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