Seiko Cal. 3899 - 646

The 3899-646 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-1ee0b38438c0]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1972

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