Seiko Cal. 4480 - 340

The 4480-340 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4480 caliber with 24j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-21b32668f078]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1989

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