Seiko Cal. 6311 - 399

This Quartz model from 1972 features a 42mm Gold-Plated case. Powered by the 6311 caliber with 33j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-61f591e1ce14]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1972

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