Seiko Cal. 5642 - 693

Seiko 5642-693

The Seiko 5642-693 represents an important milestone in Seiko's 1983 lineup. Powered by the 5642 caliber with 23j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-018510c803f1]

Also known as: Helmet, Arnie

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
45mm
Case Thickness
9.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Burgundy
Jewels
23j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1983

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