Seiko Cal. 3874 - 515

Released in 1977, the Cal. 3874 with design code 515 was part of Seiko's domestic market collection. Powered by the 3874 caliber with 28j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-37ca5fc39803]

Also known as: Turtle, Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1977

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