Seiko Cal. 4522 - 731

The Seiko 4522-731 represents an important milestone in Seiko's 1965 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-fd508d694efd]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1965

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