Seiko Cal. 6221 - 436

The Seiko 6221-436 represents an important milestone in Seiko's 1965 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ff16fe8ce494]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1965

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