Seiko Cal. 4539 - 859

The Seiko 4539-859 represents an important milestone in Seiko's 1996 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-0e5ca46de651]

Also known as: Helmet, Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1996

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