Seiko Cal. 6691 - 695

The Seiko 6691-695 represents an important milestone in Seiko's 1968 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-8fe866df1cf8]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1968

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