Seiko Cal. 3854 - 525

This Hand-Winding model from 1968 features a 45mm PVD Black case. With its 18mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-0883cd37f670]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1968

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