Seiko Cal. 6337 - 433

The Seiko 6337-433 represents an important milestone in Seiko's 1980 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-bfbb17aa4f81]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1980

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