Seiko Cal. 5637 - 793

The Seiko 5637-793 represents an important milestone in Seiko's 1965 lineup. Powered by the 5637 caliber with 17j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-50be5aaef6d2]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1965

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