Seiko Cal. 4436 - 396

The 4436-396 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4436 caliber with 30j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-0b759e63a755]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1992

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