Seiko Cal. 6138 - 409

The Seiko 6138-409 represents an important milestone in Seiko's 1997 lineup. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-7054a74de0d9]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1997

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