Seiko Cal. 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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