Seiko Cal. 5637 - 516

The Seiko 5637-516 represents an important milestone in Seiko's 1995 lineup. Powered by the 5637 caliber with 17j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-531cdbe90e3d]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1995

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