Seiko Cal. 4511 - 656

This Hand-Winding model from 1967 features a 46mm Titanium case. With its 20mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-f75840b17cf2]

Also known as: Tuna, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1967

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