Seiko Cal. 6258 - 631

Released in 1967, the Cal. 6258 with design code 631 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-d588a6ee6df9]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1967

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