Seiko Cal. 5637 - 150

The 5637-150 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-844b04448677]

Also known as: Panda, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1992

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