Seiko Cal. 5645 - 457

This Quartz model from 1967 features a 46mm Gold-Plated case. Powered by the 5645 caliber with 17j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-ad1c7fe620d2]

Also known as: Sumo, Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1967

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