Seiko Cal. 5640 - 294

Seiko 5640-294

The Seiko 5640-294 represents an important milestone in Seiko's 1993 lineup. Powered by the 5640 caliber with 28j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-5f3fd0509e9d]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
34mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
110m
Dial Color
Champagne
Jewels
28j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1993

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