Seiko Cal. 4429 - 309

The Seiko 4429-309 represents an important milestone in Seiko's 1977 lineup. It features a Green dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-d6c01d26257c]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1977

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