Seiko Cal. 5685 - 378

The Seiko 5685-378 represents an important milestone in Seiko's 1972 lineup. With its 18mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-17a8b100cbc8]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1972

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