Seiko Cal. 5649 - 812

Seiko 5649-812

The 5649-812 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5649 caliber with 19j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-4d5530d78d45]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
43mm
Case Thickness
10.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Champagne
Jewels
19j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1974

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seikata-wm-4d5530d78d45