Seiko Cal. 6628 - 427

Seiko 6628-427

The 6628-427 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6628 caliber with 30j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-ba454ea78eb1]

Also known as: UFO, Golden Tuna

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
10.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Navy
Jewels
30j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1990

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