Seiko Cal. 4480 - 637

Seiko 4480-637

The 4480-637 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-b94bd65cb89d]

Also known as: Monster, Arnie

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
13.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Navy
Jewels
18j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1976

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