Seiko Cal. 6671 - 787

This Solar model from 1978 features a 38mm Two-Tone case. Powered by the 6671 caliber with 31j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-eec1eb37fc6d]

Also known as: Turtle, Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1978

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