Seiko Cal. 6381 - 221

The Seiko 6381-221 represents an important milestone in Seiko's 1975 lineup. With its 21mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-1b4235e7bd02]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1975

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