Seiko Cal. 4438 - 266

The 4438-266 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-e90110e0a5ea]

Also known as: Tuna, Pogue

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1995

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