Seiko Cal. 4545 - 647

The Seiko 4545-647 represents an important milestone in Seiko's 1973 lineup. Powered by the 4545 caliber with 36j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-164913185ee3]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1973

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