Seiko Cal. 6640 - 141

This Automatic model from 1968 features a 43mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-d5495c90c9fa]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1968

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