Seiko Cal. 5629 - 187

The Seiko 5629-187 represents an important milestone in Seiko's 1969 lineup. Powered by the 5629 caliber with 22j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-f00c40f6d497]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1969

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