Seiko Cal. 6136 - 140

Released in 1976, the Cal. 6136 with design code 140 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-5f5a2dd7ca5f]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1976

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