Seiko Cal. 4581 - 103

The Seiko 4581-103 represents an important milestone in Seiko's 1969 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-6eaaca4f19bb]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1969

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