Seiko Cal. 6657 - 799

The Seiko 6657-799 represents an important milestone in Seiko's 1967 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-5e3fd7be8faf]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1967

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