Seiko Cal. 4528 - 771

The 4528-771 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4528 caliber with 22j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-78d43c9e4c4a]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1973

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