Seiko Cal. 4523 - 612

The Seiko 4523-612 represents an important milestone in Seiko's 1972 lineup. Powered by the 4523 caliber with 36j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-3ebb53cb2f18]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1972

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