Seiko Cal. 3890 - 973

The Seiko 3890-973 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-f8c94bdf9433]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

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