Seiko Cal. 5637 - 534

This Quartz model from 1998 features a 43mm Titanium case. Powered by the 5637 caliber with 19j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-6a40bb353df4]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1998

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