Seiko Cal. 6635 - 337

The Seiko 6635-337 represents an important milestone in Seiko's 1980 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-4b9f82ed12c8]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1980

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