Seiko Cal. 6343 - 677

The Seiko 6343-677 represents an important milestone in Seiko's 1971 lineup. With its 22mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-237c5d40f6fb]

Also known as: Bullhead, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1971

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