Seiko Cal. 6615 - 436

Released in 1974, the Cal. 6615 with design code 436 was part of Seiko's domestic market collection. Powered by the 6615 caliber with 30j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-620a3eb4bde1]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1974

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