Seiko Cal. 6650 - 407

The Seiko 6650-407 represents an important milestone in Seiko's 1980 lineup. It features a Silver dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-a3475e1c7fdc]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1980

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