Seiko Cal. 0737 - 663

The Seiko 0737-663 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-aeab97f8dc47]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1987

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