Seiko Cal. 5225 - 138

The Seiko 5225-138 represents an important milestone in Seiko's 1967 lineup. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-3ee175c0eab4]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1967

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