Seiko Cal. 5688 - 140

This Solar model from 1976 features a 45mm Two-Tone case. Powered by the 5688 caliber with 36j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-2905d27c1a62]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1976

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