Seiko Cal. 6231 - 634

Released in 1966, the Cal. 6231 with design code 634 was part of Seiko's domestic market collection. With its 20mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-affdcdf5cca2]

Also known as: Pogue, UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1966

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