Seiko Cal. 6658 - 998

This Spring Drive model from 1977 features a 35mm Gold-Plated case. It features a Navy dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-b882a733684e]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1977

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