Seiko Cal. 5684 - 645

This Spring Drive model from 1972 features a 45mm Two-Tone case. With its 22mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-ded1364ca4c2]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1972

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