Seiko Cal. 6688 - 845

The Seiko 6688-845 represents an important milestone in Seiko's 1980 lineup. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-f845d5f01f8a]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1980

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