Seiko Cal. 7135 - 657

The 7135-657 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-f8667048aec1]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1977

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