Seiko Cal. 6641 - 308

The Seiko 6641-308 represents an important milestone in Seiko's 1965 lineup. It features a Cream dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-dfca7ee0bc45]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1965

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