Seiko Cal. 6331 - 271

The Seiko 6331-271 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-b3534262e210]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1970

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