Seiko Cal. 5678 - 658

The 5678-658 is a sought-after Kinetic piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-d18f3356ea2d]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1968

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