Seiko Cal. 4523 - 351

The Seiko 4523-351 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-9d26a0a5a3e2]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1965

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