Seiko Cal. 0731 - 318

The 0731-318 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-24163618d23a]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1976

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