Seiko Cal. 0747 - 131

The 0747-131 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-b3acbe5ee670]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1990

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