Seiko Cal. 4420 - 202

The 4420-202 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4420 caliber with 30j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-4a0c6e5ae32d]

Also known as: Samurai, Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1975

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