Seiko Cal. 5644 - 217

This Solar model from 1968 features a 44mm Two-Tone case. With its 19mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-65d89423ba09]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1968

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