Seiko Cal. 0731 - 335

The Seiko 0731-335 represents an important milestone in Seiko's 1970 lineup. Powered by the 0731 caliber with 18j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-ef7dd9db0e39]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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