Seiko Cal. 6657 - 318

The Seiko 6657-318 represents an important milestone in Seiko's 1969 lineup. It features a Cream dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-78803a31843f]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1969

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