Seiko Cal. 4583 - 409

This Hand-Winding model from 1987 features a 45mm Titanium case. With its 20mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-1adbe4973057]

Also known as: Tuna, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1987

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