Seiko Cal. 5275 - 366

The 5275-366 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5275 caliber with 25j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-46460cdd0591]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1966

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