Seiko Cal. 6311 - 915

The Seiko 6311-915 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-8cb539fcefe7]

Also known as: Samurai, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1969

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