Seiko Cal. 7188 - 654

The Seiko 7188-654 represents an important milestone in Seiko's 1990 lineup. Powered by the 7188 caliber with 32j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-50e2a700cb53]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1990

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