Seiko Cal. 6311 - 754

This Spring Drive model from 1973 features a 39mm Stainless Steel case. With its 20mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-2d8ed449cb77]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1973

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