Seiko Cal. 5686 - 373

The Seiko 5686-373 represents an important milestone in Seiko's 1987 lineup. Powered by the 5686 caliber with 19j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-20d967936f4a]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1987

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