Seiko Cal. 4550 - 681

The Seiko 4550-681 represents an important milestone in Seiko's 1970 lineup. It features a White dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-1f8691323027]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1970

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