Seiko Cal. 7140 - 104

The Seiko 7140-104 represents an important milestone in Seiko's 1967 lineup. Powered by the 7140 caliber with 22j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-7a9131e964c2]

Also known as: Tuna, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1967

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