Seiko Cal. 3888 - 231

The 3888-231 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-38bde10159db]

Also known as: Helmet, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1974

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