Seiko Cal. 4521 - 775

The 4521-775 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4521 caliber with 32j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-78c6ff025e8b]

Also known as: Samurai, Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

8.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1969

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