Seiko Cal. 7140 - 907

The Seiko 7140-907 represents an important milestone in Seiko's 1986 lineup. With its 19mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-12c7734113ce]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1986

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