Seiko Cal. 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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