Seiko Cal. 4420 - 537

The 4420-537 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4420 caliber with 22j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-bc834c8c7a6d]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1995

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