Seiko Cal. 6648 - 726

The Seiko 6648-726 represents an important milestone in Seiko's 1987 lineup. Powered by the 6648 caliber with 34j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-850886575f90]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1987

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