Seiko Cal. 5658 - 988

This Hand-Winding model from 1983 features a 34mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-df370e9a8f65]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1983

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