Seiko Cal. 4498 - 721

Seiko 4498-721

The 4498-721 is a sought-after Automatic piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-5875f62abdca]

Also known as: Sumo, Bellmatic

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
14.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
90m
Dial Color
Burgundy
Jewels
24j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1971

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