Seiko Cal. 5647 - 153

The Seiko 5647-153 represents an important milestone in Seiko's 1987 lineup. Powered by the 5647 caliber with 24j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-640fce8369fa]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1987

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