Seiko Cal. 5642 - 759

Seiko 5642-759

The Seiko 5642-759 represents an important milestone in Seiko's 1999 lineup. Powered by the 5642 caliber with 20j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-1f8477be147e]

Also known as: Tuna, Bellmatic

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
9.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Navy
Jewels
20j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1999

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