Seiko Cal. 6687 - 530

This Automatic model from 1965 features a 36mm Two-Tone case. It features a Champagne dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-d6a03accf10c]

Also known as: Tuna, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1965

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