Seiko Cal. 4539 - 105

This Quartz model from 1972 features a 40mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-57552bda7ddb]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1972

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