Seiko Cal. 5649 - 227

The Seiko 5649-227 represents an important milestone in Seiko's 1966 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-e8457c213ba4]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1966

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