Seiko Cal. 6656 - 391

This Spring Drive model from 1969 features a 45mm Two-Tone case. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-ee1ebc54ac74]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1969

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