Seiko Cal. 4523 - 662

The Seiko 4523-662 represents an important milestone in Seiko's 1965 lineup. Powered by the 4523 caliber with 22j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-61f76c36500c]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1965

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