Seiko Cal. 4597 - 954

The Seiko 4597-954 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-e4512850f3af]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1978

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