Seiko Cal. 4427 - 761

The Seiko 4427-761 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-f73594eba8dd]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1975

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