Seiko Cal. 0731 - 389

The Seiko 0731-389 represents an important milestone in Seiko's 1975 lineup. Powered by the 0731 caliber with 33j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-b4034257203a]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1975

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