Seiko Cal. 3890 - 460

This Hand-Winding model from 1971 features a 39mm Two-Tone case. With its 21mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-09538306a2a7]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1971

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