Seiko Cal. 6331 - 927

The Seiko 6331-927 represents an important milestone in Seiko's 1972 lineup. With its 21mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-286e6859cf9a]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1972

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