Seiko Cal. 4521 - 677

The Seiko 4521-677 represents an important milestone in Seiko's 1974 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-1afb9efc0962]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1974

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