Seiko Cal. 6135 - 503

The 6135-503 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-71540c63df70]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1965

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