Seiko Cal. 4436 - 405

This Spring Drive model from 1986 features a 35mm Gold-Plated case. With its 18mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-2b1b2f164c9c]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1986

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