Seiko Cal. 5665 - 901

Seiko 5665-901

The 5665-901 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-28e47ae9dca9]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
10.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
White
Jewels
28j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1990

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