Seiko Cal. 5611 - 981

The Seiko 5611-981 represents an important milestone in Seiko's 1991 lineup. It features a Green dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-8ad76f5d0341]

Also known as: Helmet, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1991

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