Seiko Cal. 7140 - 175

The Seiko 7140-175 represents an important milestone in Seiko's 1971 lineup. It features a Navy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-50ce6e7ddad4]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1971

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