Seiko Cal. 6291 - 636

The Seiko 6291-636 represents an important milestone in Seiko's 1976 lineup. It features a White dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-5f0cf74ef670]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1976

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