Seiko Cal. 3870 - 404

The 3870-404 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-c4fcd2853cda]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1972

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