Seiko Cal. 4436 - 363

The Seiko 4436-363 represents an important milestone in Seiko's 1965 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-35cb8fb0e5ca]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1965

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