Seiko Cal. 6311 - 188

The Seiko 6311-188 represents an important milestone in Seiko's 1974 lineup. It features a Silver dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-6a7049efc2a6]

Also known as: Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1974

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