Seiko Cal. 7140 - 155

The 7140-155 is a sought-after Solar piece from Seiko's golden era. Powered by the 7140 caliber with 20j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-d4d866e3850f]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1966

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