Seiko Cal. 7153 - 620

The Seiko 7153-620 represents an important milestone in Seiko's 1991 lineup. With its 18mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-7a5de9cbccf5]

Also known as: Tuna, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1991

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