Seiko Cal. 3878 - 655

The 3878-655 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3878 caliber with 23j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-5a39ecc55aee]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1987

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