Seiko Cal. 6661 - 374

The Seiko 6661-374 represents an important milestone in Seiko's 1965 lineup. It features a Silver dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-73a2ded294f0]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1965

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