Seiko Cal. 6311 - 328

The Seiko 6311-328 represents an important milestone in Seiko's 1968 lineup. With its 22mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-33335a64911d]

Also known as: Samurai, Bellmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1968

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