Seiko Cal. 7137 - 383

The Seiko 7137-383 represents an important milestone in Seiko's 1975 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-1a8dffc10c2b]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1975

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