Seiko Cal. 4581 - 207

The Seiko 4581-207 represents an important milestone in Seiko's 1974 lineup. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-3e74ed04ca1e]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1974

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