Seiko Cal. 4436 - 465

The 4436-465 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4436 caliber with 31j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-fa5d7b7cd1e1]

Also known as: Crown, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1992

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