Seiko Cal. 4537 - 733

The Seiko 4537-733 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-989318c790b1]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1965

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