Seiko Cal. 4477 - 520

The 4477-520 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4477 caliber with 23j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-09dfe2fe56f0]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1978

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