Seiko Cal. 6397 - 278

This Quartz model from 1989 features a 37mm Stainless Steel case. With its 21mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-ef96c4351170]

Also known as: Helmet, Silverwave

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1989

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