Seiko Cal. 6138 - 355

The Seiko 6138-355 represents an important milestone in Seiko's 1972 lineup. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-c0e1cc3d38f1]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1972

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