Seiko Cal. 5661 - 750

The 5661-750 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-d602597da89e]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1983

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