Seiko Cal. 4421 - 671

The Seiko 4421-671 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-c90fa568ced9]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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