Seiko Cal. 6311 - 477

This Automatic model from 1987 features a 36mm Hardlex-Coated Steel case. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-bf8f5dd22125]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1987

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