Seiko Cal. 4498 - 631

Seiko 4498-631

The 4498-631 is a sought-after Solar piece from Seiko's golden era. Powered by the 4498 caliber with 28j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-656136ddc7af]

Also known as: Baby Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
45mm
Case Thickness
15.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1981

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seikata-wm-656136ddc7af