Seiko Cal. 5676 - 506

This Spring Drive model from 1965 features a 46mm Two-Tone case. With its 20mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-e756707fd4d5]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1965

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