Seiko Cal. 4427 - 511

The Seiko 4427-511 represents an important milestone in Seiko's 1988 lineup. With its 22mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-06de2dfb899c]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1988

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