Seiko Cal. 4521 - 673

The Seiko 4521-673 represents an important milestone in Seiko's 1985 lineup. Powered by the 4521 caliber with 30j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-b24f3606a674]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1985

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