Seiko Cal. 4478 - 667

The 4478-667 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4478 caliber with 23j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-7db1695367db]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1978

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