Seiko Cal. 6642 - 197

The Seiko 6642-197 represents an important milestone in Seiko's 1983 lineup. It features a Navy dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-dd8a3f206225]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1983

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