Seiko Cal. 6311 - 718

This Quartz model from 1987 features a 42mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-e20d69dbb0fd]

Also known as: Helmet, Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1987

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