Seiko Cal. 6678 - 745

The Seiko 6678-745 represents an important milestone in Seiko's 1974 lineup. Powered by the 6678 caliber with 33j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-810b355de361]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1974

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