Seiko Cal. 0788 - 630

The 0788-630 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-0c8c9c3e00ca]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1966

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