Seiko Cal. 6240 - 660

This Spring Drive model from 1971 features a 36mm Two-Tone case. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-4ba561df3499]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1971

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