Seiko Cal. 6156 - 411

This Spring Drive model from 1966 features a 38mm Two-Tone case. With its 22mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-1e9488299f5d]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1966

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