Seiko Cal. 4581 - 945

The Seiko 4581-945 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-2fb3c62dd482]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1972

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