Seiko Cal. 6620 - 690

Seiko 6620-690

The 6620-690 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6620 caliber with 22j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-992d62345d69]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
10.2mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1973

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seikata-wm-992d62345d69