Seiko Cal. 6630 - 330

This Solar model from 1974 features a 37mm Two-Tone case. Powered by the 6630 caliber with 18j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-9ce2eb2a29e6]

Also known as: Tuna, Panda

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1974

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