Seiko Cal. 5645 - 370

The 5645-370 is a sought-after Solar piece from Seiko's golden era. Powered by the 5645 caliber with 28j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-67e1ecf239cb]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1997

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