Seiko Cal. 5615 - 312

The 5615-312 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5615 caliber with 32j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-892e744e7961]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1990

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