Seiko Cal. 6648 - 674

The Seiko 6648-674 represents an important milestone in Seiko's 1983 lineup. Powered by the 6648 caliber with 17j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-2b722375991d]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1983

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