Seiko Cal. 3887 - 123

The 3887-123 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-912c8515d330]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1968

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