Seiko Cal. 5678 - 740

This Spring Drive model from 1974 features a 42mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-d3ebe0eb5819]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1974

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