Seiko Cal. 4566 - 433

Released in 1976, the Cal. 4566 with design code 433 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-b75d4fa289aa]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1976

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