Seiko Cal. 6381 - 751

This Solar model from 1967 features a 43mm Two-Tone case. Powered by the 6381 caliber with 35j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-e07a9f596743]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1967

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