Seiko Cal. 3840 - 223

This Hand-Winding model from 1982 features a 37mm Two-Tone case. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-8342ff912b73]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1982

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