Seiko Cal. 7154 - 742

The 7154-742 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7154 caliber with 19j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-c426c1cce794]

Also known as: UFO, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

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