Seiko Cal. 4539 - 827

The Seiko 4539-827 represents an important milestone in Seiko's 1970 lineup. With its 18mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-8dd730463b79]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1970

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