Seiko Cal. 4452 - 523

The Seiko 4452-523 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-b9b28f31bdda]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1974

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