Seiko Cal. 3857 - 454

This Kinetic model from 1978 features a 40mm Two-Tone case. With its 20mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-8e03aa267e3e]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1978

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