Seiko Cal. 6131 - 336

The Seiko 6131-336 represents an important milestone in Seiko's 1969 lineup. Powered by the 6131 caliber with 28j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-b62618d23cbe]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1969

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