Seiko Cal. 4521 - 674

The Seiko 4521-674 represents an important milestone in Seiko's 1987 lineup. Powered by the 4521 caliber with 32j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-4c9b15885705]

Also known as: Bellmatic, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1987

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