Seiko Cal. 3811 - 627

The 3811-627 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-b95556e486a8]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1985

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