Seiko Cal. 5689 - 140

The Seiko 5689-140 represents an important milestone in Seiko's 1970 lineup. Powered by the 5689 caliber with 25j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-b2a797188d42]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1970

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