Seiko Cal. 6311 - 102

The Seiko 6311-102 represents an important milestone in Seiko's 1973 lineup. Powered by the 6311 caliber with 24j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-b60f933a20cd]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1973

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