Seiko Cal. 3863 - 927

The 3863-927 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3863 caliber with 22j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-27ecd59592ea]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1965

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