Seiko Cal. 5685 - 691

The Seiko 5685-691 represents an important milestone in Seiko's 1972 lineup. Powered by the 5685 caliber with 31j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-212369213787]

Also known as: Samurai, Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1972

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