Seiko Cal. 3890 - 729

The 3890-729 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-87ddbe7304d8]

Also known as: UFO, Navigator

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1975

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