Seiko Cal. 6633 - 851

The 6633-851 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-e327c78e19e2]

Also known as: Turtle, Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1981

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