Seiko Cal. 3887 - 775

The 3887-775 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3887 caliber with 18j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-8acaa6dcabe5]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1971

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