Seiko Cal. 5687 - 854

The Seiko 5687-854 represents an important milestone in Seiko's 1974 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2a96fa89f131]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1974

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