Seiko Cal. 4521 - 789

The 4521-789 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4521 caliber with 36j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-ff3910760046]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1998

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