Seiko Cal. 3863 - 103

The 3863-103 is a sought-after Solar piece from Seiko's golden era. Powered by the 3863 caliber with 32j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-b9e076c04c0e]

Also known as: Tuna, Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1994

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