Seiko Cal. 0747 - 551

The Seiko 0747-551 represents an important milestone in Seiko's 1972 lineup. Powered by the 0747 caliber with 36j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-0f154ac0da9a]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1972

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