Seiko Cal. 5630 - 737

The Seiko 5630-737 represents an important milestone in Seiko's 1986 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-d2838c786ecb]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1986

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