Seiko Cal. 0731 - 237

The Seiko 0731-237 represents an important milestone in Seiko's 1998 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-36e60af8603e]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1998

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