Seiko Cal. 5637 - 708

The Seiko 5637-708 represents an important milestone in Seiko's 1984 lineup. Powered by the 5637 caliber with 23j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-d7f041873585]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1984

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