Seiko Cal. 7139 - 662

The Seiko 7139-662 represents an important milestone in Seiko's 1979 lineup. It features a Navy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-6960af406479]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1979

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