Seiko Cal. 7181 - 568

Seiko 7181-568

The Seiko 7181-568 represents an important milestone in Seiko's 1969 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-9a360b2cff70]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
11.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1969

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