Seiko Cal. 6635 - 280

This Automatic model from 1978 features a 42mm Two-Tone case. It features a Burgundy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-977634bb6cad]

Also known as: Rally, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1978

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