Seiko Cal. 4539 - 752

The Seiko 4539-752 represents an important milestone in Seiko's 1978 lineup. Powered by the 4539 caliber with 34j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-e37f560dd8c6]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

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