Seiko Cal. 4540 - 836

The Seiko 4540-836 represents an important milestone in Seiko's 1988 lineup. With its 19mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-19ac154190cf]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1988

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