Seiko Cal. 4538 - 993

Released in 1982, the Cal. 4538 with design code 993 was part of Seiko's domestic market collection. Powered by the 4538 caliber with 36j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-8cc566ca6181]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1982

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