Seiko Cal. 6661 - 497

This Quartz model from 1977 features a 36mm Two-Tone case. Powered by the 6661 caliber with 17j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-73bacac442c5]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1977

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