Seiko Cal. 6671 - 649

Seiko 6671-649

The 6671-649 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6671 caliber with 31j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-b87a5f6583c4]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
9.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1988

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seikata-wm-b87a5f6583c4