Seiko Cal. 6657 - 434

This Automatic model from 1981 features a 34mm Gold-Plated case. It features a Burgundy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-add75a757dfa]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1981

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