Seiko Cal. 4521 - 733

The Seiko 4521-733 represents an important milestone in Seiko's 1997 lineup. Powered by the 4521 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-a680a7e0b818]

Also known as: Monster, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1997

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