Seiko Cal. 5687 - 841

The 5687-841 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5687 caliber with 32j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-e313f2bbfb8a]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1965

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