Seiko Cal. 7140 - 741

Released in 1973, the Cal. 7140 with design code 741 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-7843cbc90cdb]

Also known as: Turtle, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1973

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