Seiko Cal. 6231 - 198

The Seiko 6231-198 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-0936959beac8]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1973

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