Seiko Cal. 6628 - 760

The 6628-760 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6628 caliber with 24j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-a1c749c24948]

Also known as: Tuna, Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1967

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