Seiko Cal. 7147 - 554

The Seiko 7147-554 represents an important milestone in Seiko's 1967 lineup. Powered by the 7147 caliber with 20j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-9543a27c15c1]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1967

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