Seiko Cal. 6637 - 190

This Automatic model from 1973 features a 39mm Two-Tone case. With its 19mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-b0f25e7a5144]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1973

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