Seiko Cal. 7140 - 161

Released in 1973, the Cal. 7140 with design code 161 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-f8222fba29ee]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1973

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