Seiko Cal. 5631 - 489

This Kinetic model from 1965 features a 39mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-7f7ab9913661]

Also known as: Tuna, Panda

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1965

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