Seiko Cal. 4521 - 412

The Seiko 4521-412 represents an important milestone in Seiko's 1996 lineup. Powered by the 4521 caliber with 24j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-8a361cef46d3]

Also known as: Bellmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1996

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