Seiko Cal. 3872 - 743

The 3872-743 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-4be5efa4f187]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1979

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