Seiko Cal. 5637 - 319

The Seiko 5637-319 represents an important milestone in Seiko's 1982 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-87466687a3f4]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1982

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