Seiko Cal. 3831 - 387

The 3831-387 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-33a26b65013e]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1976

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