Seiko Cal. 4550 - 970

The 4550-970 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4550 caliber with 25j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-e7522376f1a0]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

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