Seiko Cal. 0731 - 675

The 0731-675 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-2bf28915fcfe]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1965

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