Seiko Cal. 5685 - 261

The Seiko 5685-261 represents an important milestone in Seiko's 1965 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d111cfe2213a]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1965

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