Seiko Cal. 7186 - 557

The Seiko 7186-557 represents an important milestone in Seiko's 1997 lineup. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-a39b783fd39d]

Also known as: Bullhead, World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1997

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