Seiko Cal. 5640 - 760

Seiko 5640-760

This Spring Drive model from 1996 features a 45mm Gold-Plated case. Powered by the 5640 caliber with 19j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-41445696ad07]

Also known as: Pogue, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
14.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
190m
Dial Color
Navy
Jewels
19j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1996

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