Seiko Cal. 6343 - 403

This Hand-Winding model from 1968 features a 46mm Titanium case. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-a3811e5aed1c]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1968

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