Seiko Cal. 7188 - 428

Seiko 7188-428

The 7188-428 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-25a4f6aa2018]

Also known as: Tuna, Helmet

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Silver
Jewels
29j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1965

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