Seiko Cal. 4438 - 709

The 4438-709 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-611a729daa5b]

Also known as: Shogun, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1966

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