Seiko Cal. 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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