Seiko Cal. 6649 - 977

Seiko 6649-977

The 6649-977 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6649 caliber with 30j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-7b2358ba21b5]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
46mm
Case Thickness
15.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Champagne
Jewels
30j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1977

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seikata-wm-7b2358ba21b5