Seiko Cal. 3863 - 354

The 3863-354 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3863 caliber with 28j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-12305dde8a8b]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1976

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