Seiko Cal. 6640 - 181

This Hand-Winding model from 1997 features a 36mm Gold-Plated case. It features a White dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-50ce9fd361ac]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1997

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