Seiko Cal. 6317 - 630

The 6317-630 is a sought-after Quartz piece from Seiko's golden era. With its 21mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-b1a40956ef7a]

Also known as: Helmet, Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1987

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