Seiko Cal. 4544 - 186

The Seiko 4544-186 represents an important milestone in Seiko's 1975 lineup. With its 22mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-dad8ba4ff4c6]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1975

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