Seiko Cal. 3854 - 723

This Hand-Winding model from 1965 features a 39mm Hardlex-Coated Steel case. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-caac4c1a7cc8]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1965

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