Seiko Cal. 6651 - 431

This Automatic model from 1989 features a 42mm Gold-Plated case. It features a Navy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-2e322d2b770c]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1989

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