Seiko Cal. 3837 - 631

The 3837-631 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-0540a12d1519]

Also known as: UFO, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1993

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