Seiko Cal. 4521 - 675

The Seiko 4521-675 represents an important milestone in Seiko's 1997 lineup. Powered by the 4521 caliber with 32j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-9e725e4e0065]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1997

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