Seiko Cal. 4538 - 713

The Seiko 4538-713 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3e835a444e97]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1971

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