Seiko Cal. 6661 - 438

The Seiko 6661-438 represents an important milestone in Seiko's 1982 lineup. With its 22mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-6aa387ffa5f4]

Also known as: Turtle, Panda

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1982

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