Seiko Cal. 4538 - 264

The Seiko 4538-264 represents an important milestone in Seiko's 1969 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c09d1852eac6]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1969

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