Seiko Cal. 4480 - 948

The 4480-948 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4480 caliber with 36j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-e858cd7f9a5e]

Also known as: Sportsmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1998

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