Seiko Cal. 5644 - 870

The Seiko 5644-870 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-a8d32727cf22]

Also known as: Monster, Panda

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1975

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