Seiko Cal. 6641 - 359

Released in 1989, the Cal. 6641 with design code 359 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-cc3d140cf9aa]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1989

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