Seiko Cal. 4431 - 640

This Kinetic model from 1976 features a 46mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-fb1913ab07de]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1976

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