Seiko Cal. 6688 - 440

Seiko 6688-440

The 6688-440 is a sought-after Quartz piece from Seiko's golden era. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-2d1fd3c966ec]

Also known as: Sumo

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
14.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
200m
Dial Color
Cream
Jewels
21j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1977

Related Models

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