Seiko Cal. 4541 - 739

The Seiko 4541-739 represents an important milestone in Seiko's 1984 lineup. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-c8ad748afb8e]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1984

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