Seiko Cal. 6137 - 991

The Seiko 6137-991 represents an important milestone in Seiko's 1994 lineup. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-235560d180b4]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1994

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