Seiko Cal. 6690 - 942

The Seiko 6690-942 represents an important milestone in Seiko's 1988 lineup. It features a Black dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-ecb435e44bf0]

Also known as: Tuna, Pogue

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1988

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