Seiko Cal. 6137 - 492

The Seiko 6137-492 represents an important milestone in Seiko's 1967 lineup. Powered by the 6137 caliber with 23j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-97e4a8b2f519]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1967

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