Seiko Cal. 5237 - 663

The Seiko 5237-663 represents an important milestone in Seiko's 1988 lineup. Powered by the 5237 caliber with 30j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-885d9962cee3]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1988

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