Seiko Cal. 5640 - 195

The Seiko 5640-195 represents an important milestone in Seiko's 1983 lineup. Powered by the 5640 caliber with 29j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-bbea12b3f560]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1983

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