Seiko Cal. 6657 - 127

This Hand-Winding model from 1970 features a 45mm Two-Tone case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-4e71362ec5aa]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1970

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