Seiko Cal. 5635 - 490

Seiko 5635-490

The 5635-490 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-58e9f7ccf5ad]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
12.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1981

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