Seiko Cal. 6365 - 650

The 6365-650 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-84837bd7fa03]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1972

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