Seiko Cal. 6627 - 307

Seiko 6627-307

The 6627-307 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6627 caliber with 18j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-10454b76aae8]

Also known as: Helmet, Rally

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
9.9mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
130m
Dial Color
Champagne
Jewels
18j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1975

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seikata-wm-10454b76aae8