Seiko Cal. 4436 - 277

The 4436-277 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4436 caliber with 31j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-c08ee511cda6]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1999

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