Seiko Cal. 0731 - 288

Seiko 0731-288

The 0731-288 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-deaef8ddd1c7]

Also known as: Tuna

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
42mm
Case Thickness
11.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Black
Jewels
17j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1977

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