Seiko Cal. 4522 - 540

The Seiko 4522-540 represents an important milestone in Seiko's 1965 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-5d8fd7be633a]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1965

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