Seiko Cal. 6136 - 442

The Seiko 6136-442 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-ff80e86614e9]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1990

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