Seiko Cal. 7139 - 145

Released in 1994, the Cal. 7139 with design code 145 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-ebbf554deef1]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1994

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