Seiko Cal. 7135 - 437

The Seiko 7135-437 represents an important milestone in Seiko's 1987 lineup. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-4db1655f4d19]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1987

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