Seiko Cal. 6331 - 862

This Hand-Winding model from 1990 features a 41mm Two-Tone case. Powered by the 6331 caliber with 28j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-cc5a3e47bbee]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1990

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