Seiko Cal. 5251 - 668

The Seiko 5251-668 represents an important milestone in Seiko's 1965 lineup. It features a Cream dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-c056c5d88ddd]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1965

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