Seiko Cal. 3815 - 229

The Seiko 3815-229 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-ce3024c68c97]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1975

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