Seiko Cal. 4538 - 645

The Seiko 4538-645 represents an important milestone in Seiko's 1968 lineup. With its 21mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-273ba0da0ae6]

Also known as: Panda

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1968

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