Seiko Cal. 6615 - 109

The 6615-109 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6615 caliber with 27j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-4d6eb616ad21]

Also known as: Tuna, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1965

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