Seiko Cal. 6648 - 831

This Spring Drive model from 1985 features a 41mm Gold-Plated case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-06e1457a15dd]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1985

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