Seiko Cal. 6661 - 189

The Seiko 6661-189 represents an important milestone in Seiko's 1993 lineup. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-9addd487b71e]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1993

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