Seiko Cal. 6650 - 178

This Hand-Winding model from 1970 features a 35mm Two-Tone case. It features a Champagne dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-61f6b9f02125]

Also known as: Monster, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1970

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