Seiko Cal. 5648 - 738

The Seiko 5648-738 represents an important milestone in Seiko's 1985 lineup. Powered by the 5648 caliber with 35j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-23b8e2a2796b]

Also known as: Samurai, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1985

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