Seiko Cal. 7136 - 543

The 7136-543 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-88f0dcc1bbfe]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1970

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