Seiko Cal. 6331 - 416

The Seiko 6331-416 represents an important milestone in Seiko's 1977 lineup. Powered by the 6331 caliber with 24j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-f4d2624e11e7]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1977

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