Seiko Cal. 6311 - 505

The Seiko 6311-505 represents an important milestone in Seiko's 1984 lineup. Powered by the 6311 caliber with 21j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-10b17c4d0e08]

Also known as: World Timer, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1984

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