Seiko Cal. 3863 - 154

The 3863-154 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3863 caliber with 31j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-f49ec880d2d8]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1991

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