Seiko Cal. 6661 - 506

The 6661-506 is a sought-after Quartz piece from Seiko's golden era. With its 21mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-5688ec824165]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1993

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