Seiko Cal. 6620 - 604

Seiko 6620-604

The 6620-604 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6620 caliber with 34j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-9359091531f8]

Also known as: Shogun, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
44mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Navy
Jewels
34j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1990

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seikata-wm-9359091531f8