Seiko Cal. 6644 - 979

The Seiko 6644-979 represents an important milestone in Seiko's 1984 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-28dcdeb08869]

Also known as: Panda, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1984

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