Seiko Cal. 6315 - 642

The 6315-642 is a sought-after Solar piece from Seiko's golden era. Powered by the 6315 caliber with 32j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-9d0b8f7e7a68]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1978

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