Seiko Cal. 3869 - 310

The 3869-310 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-13b8d269c0b7]

Also known as: Helmet, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1987

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