Seiko Cal. 6320 - 677

The Seiko 6320-677 represents an important milestone in Seiko's 1972 lineup. With its 21mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-ac4ee3b95b91]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1972

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