Seiko Cal. 4571 - 721

The 4571-721 is a sought-after Solar piece from Seiko's golden era. Powered by the 4571 caliber with 29j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-ed718d5e2349]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1980

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