Seiko Cal. 6156 - 390

This Spring Drive model from 1972 features a 41mm Two-Tone case. With its 20mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-169edd784504]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1972

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