Seiko Cal. 5631 - 458

Released in 1979, the Cal. 5631 with design code 458 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-ca378aefc05b]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1979

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