Seiko Cal. 4420 - 522

The Seiko 4420-522 represents an important milestone in Seiko's 1994 lineup. Powered by the 4420 caliber with 18j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-8dfd083c0f16]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1994

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