Seiko Cal. 0738 - 603

The Seiko 0738-603 represents an important milestone in Seiko's 1969 lineup. Powered by the 0738 caliber with 36j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-e727800bebc6]

Also known as: Tuna, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1969

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