Seiko Cal. 4541 - 427

The 4541-427 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-c9b98cf570af]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1991

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