Seiko Cal. 4488 - 339

Seiko 4488-339

The 4488-339 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4488 caliber with 28j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-fbc28f0b4830]

Also known as: Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
13.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1992

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