Seiko Cal. 6374 - 679

The Seiko 6374-679 represents an important milestone in Seiko's 1976 lineup. With its 22mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-12e3b3db6d87]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1976

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