Seiko Cal. 5681 - 413

Seiko 5681-413

The 5681-413 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-34aa702d571d]

Also known as: UFO, Sportsmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
43mm
Case Thickness
10.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Black
Jewels
34j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1979

Related Models

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