Seiko Cal. 6690 - 611

The Seiko 6690-611 represents an important milestone in Seiko's 1988 lineup. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-313b2312305f]

Also known as: Monster, Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1988

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