Seiko Cal. 5689 - 375

This Quartz model from 1971 features a 39mm Stainless Steel case. Powered by the 5689 caliber with 23j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-b2a388cbd67d]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1971

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