Seiko Cal. 6153 - 661

The Seiko 6153-661 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-75f82e066e8b]

Also known as: Turtle, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1971

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