Seiko Cal. 6640 - 925

Seiko 6640-925

The Seiko 6640-925 represents an important milestone in Seiko's 1989 lineup. It features a Silver dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-48b148bb3730]

Also known as: Turtle

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
37mm
Case Thickness
11.2mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Silver
Jewels
20j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1989

Related Models

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