Seiko Cal. 4436 - 925

This Hand-Winding model from 1969 features a 41mm Gold-Plated case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-9671b209e4fb]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1969

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