Seiko Cal. 4539 - 523

This Quartz model from 1971 features a 41mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-0f69043e1334]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1971

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