Seiko Cal. 6137 - 681

The Seiko 6137-681 represents an important milestone in Seiko's 1989 lineup. It features a Cream dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-fd84a8188d75]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1989

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