Seiko Cal. 6187 - 378

This Spring Drive model from 1970 features a 45mm PVD Black case. Powered by the 6187 caliber with 30j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-ed36a206fa63]

Also known as: Turtle, Panda

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1970

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