Seiko Cal. 7140 - 361

The Seiko 7140-361 represents an important milestone in Seiko's 1986 lineup. It features a Black dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-4ce462b86f3f]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1986

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