Seiko Cal. 5648 - 251

Released in 1982, the Cal. 5648 with design code 251 was part of Seiko's domestic market collection. It features a Silver dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-cc02da755aeb]

Also known as: World Timer, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1982

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