Seiko Cal. 6620 - 928

This Spring Drive model from 1973 features a 46mm Gold-Plated case. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-5a85fe999300]

Also known as: UFO, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1973

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