Seiko Cal. 7186 - 311

The Seiko 7186-311 represents an important milestone in Seiko's 1987 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-551fa3391b9e]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1987

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