Seiko Cal. 6243 - 977

The Seiko 6243-977 represents an important milestone in Seiko's 1967 lineup. It features a Black dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-91fc9770bc61]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1967

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