Seiko Cal. 5684 - 299

Seiko 5684-299

The Seiko 5684-299 represents an important milestone in Seiko's 1978 lineup. Powered by the 5684 caliber with 25j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-0ed620fbb134]

Also known as: UFO, Sportsmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
42mm
Case Thickness
11.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Black
Jewels
25j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1978

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