Seiko Cal. 0748 - 643

This Spring Drive model from 1975 features a 45mm Two-Tone case. With its 20mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-b7830ac58868]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1975

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