Seiko Cal. 7140 - 749

The 7140-749 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-3222d85f3902]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1993

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