Seiko Cal. 6154 - 556

The Seiko 6154-556 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-2ad1cba60005]

Also known as: Crown, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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