Seiko Cal. 3890 - 305

Seiko 3890-305

The 3890-305 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-1e60cf14857e]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
14.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1972

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