Seiko Cal. 7137 - 528

The Seiko 7137-528 represents an important milestone in Seiko's 1979 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-08cc6f55124c]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1979

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