Seiko Cal. 4557 - 278

This Spring Drive model from 1997 features a 35mm Two-Tone case. Powered by the 4557 caliber with 28j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-dc1f356418b7]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1997

Related Models

• Seiko 6359-715
• Seiko 4498-255
• Seiko 6195-803
• Seiko 6281-401
• Seiko 6322-226
• Seiko 4420-170
• Seiko 5658-356
• Seiko 4545-514
• Seiko 6244-209
• Seiko 6624-954
• Seiko 7031-986
• Seiko 6375-972