Seiko Cal. 5631 - 701

The Seiko 5631-701 represents an important milestone in Seiko's 1989 lineup. Powered by the 5631 caliber with 32j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-d9c3fd1135ed]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1989

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