Seiko Cal. 4437 - 527

This Quartz model from 1998 features a 40mm Stainless Steel case. Powered by the 4437 caliber with 25j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-0ceaac83937e]

Also known as: Bullhead, Arnie

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1998

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