Seiko Cal. 6654 - 671

This Hand-Winding model from 1968 features a 35mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-57d4d435278b]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1968

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