Seiko Cal. 6399 - 274

The Seiko 6399-274 represents an important milestone in Seiko's 1978 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-1587e977212f]

Also known as: Sumo, Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1978

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