Seiko Cal. 4436 - 609

This Spring Drive model from 1975 features a 42mm Hardlex-Coated Steel case. With its 18mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-1a3377878319]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1975

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