Seiko Cal. 7137 - 901

The 7137-901 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-ef58e35ae2ca]

Also known as: Monster, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1973

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