Seiko Cal. 6162 - 490

This Spring Drive model from 1977 features a 41mm Two-Tone case. Powered by the 6162 caliber with 36j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-373ec2a8e319]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1977

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